| Title |
Antitumor activity of SAHA, a novel histone deacetylase inhibitor, against murine B cell lymphoma A20 cells in vitro and in vivo
|
|---|---|
| Published in |
Tumor Biology, February 2015
|
| DOI | 10.1007/s13277-015-3156-1 |
| Pubmed ID | |
| Authors |
Bohan Yang, Dandan Yu, Jingwen Liu, Kunyu Yang, Gang Wu, Hongli Liu |
| Abstract |
Suberoylanilide hydroxamic acid (SAHA; vorinostat), the second generation of histone deacetylase (HDAC) inhibitor, has been approved for the treatment of cutaneous manifestations of cutaneous T cell lymphoma (CTCL). It has also shown its anticancer activity over a large range of other hematological and solid malignancies, but few studies have been reported in B cell lymphoma. In this study, we aimed to investigate the antitumor activity of SAHA on murine B cell lymphoma cell line A20 cells. We treated A20 cells with different concentrations of SAHA. The effect of SAHA on the proliferation of A20 cells was studied by 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium (MTT) assay in vitro; the anti-proliferation activity in vivo was evaluated by proliferating cell nuclear antigen (PCNA) of xenograft tumor tissues through immunocytochemical staining. Apoptosis were detected by Hoechst 33258 staining and Annexin V/propidium iodide (PI) double-labeled cytometry in vitro. The effect of SAHA on cell cycle of A20 cells was studied by a propidium iodide method. Autophagic cell death induced by SAHA was confirmed by transmission electron microscopy (TEM). Angiogenesis marker (CD31) was measured by immunocytochemical staining to investigate the anti-angiogenic effect of SAHA. Western blot was used to detect the expression of signaling pathway factors (phospho-AKT, phospho-ERK, AKT, ERK, Nur77, HIF-1α, and VEGF). Our results showed that SAHA inhibited the proliferation of A20 cells in a time- and dose-dependent manner, induced cell apoptosis and G0/G1 phase arrest of cell cycle, promoted autophagic cell death, and suppressed tumor progress in NCI-A20 cells nude mice xenograft model in vivo. SAHA decreased the activation of AKT (phospho-AKT: p-AKT) and ERK1/2 (phospho-ERK: p-ERK) proteins and inhibited the expression of pro-angiogenic factors (VEGF and HIF-1α), downregulated its downstream signaling factor (Nur77), which might be contributed to the antitumor mechanisms of SAHA. |
X Demographics
The data shown below were collected from the profiles of 2 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Tunisia | 1 | 50% |
| Unknown | 1 | 50% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 2 | 100% |
Mendeley readers
The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Brazil | 1 | 6% |
| Unknown | 15 | 94% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Researcher | 5 | 31% |
| Student > Master | 3 | 19% |
| Student > Ph. D. Student | 2 | 13% |
| Student > Bachelor | 2 | 13% |
| Professor | 1 | 6% |
| Other | 1 | 6% |
| Unknown | 2 | 13% |
| Readers by discipline | Count | As % |
|---|---|---|
| Pharmacology, Toxicology and Pharmaceutical Science | 4 | 25% |
| Biochemistry, Genetics and Molecular Biology | 4 | 25% |
| Medicine and Dentistry | 3 | 19% |
| Neuroscience | 1 | 6% |
| Chemistry | 1 | 6% |
| Other | 0 | 0% |
| Unknown | 3 | 19% |
Attention Score in Context
This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 05 February 2015.
All research outputs
#17,743,721
of 22,786,087 outputs
Outputs from Tumor Biology
#1,219
of 2,622 outputs
Outputs of similar age
#242,110
of 352,275 outputs
Outputs of similar age from Tumor Biology
#62
of 160 outputs
Altmetric has tracked 22,786,087 research outputs across all sources so far. This one is in the 19th percentile – i.e., 19% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,622 research outputs from this source. They receive a mean Attention Score of 2.2. This one is in the 47th percentile – i.e., 47% of its peers scored the same or lower than it.
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We're also able to compare this research output to 160 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 53% of its contemporaries.